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Finding the Fourth Proportional to 336,359.96, 504,609.20 and 136,679.98

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Solution

The fourth proportional to 336,359.96, 504,609.20 and 136,679.98 is: 205,048.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,359.96 : 504,609.20 = 136,679.98 : x
  2. Step 2: Convert to fraction form
    336,359.96/504,609.20 = 136,679.98/x
  3. Step 3: Cross multiply
    336,359.96x = 504,609.20 × 136,679.98
  4. Step 4: Simplify right side
    336,359.96x = 68,969,975,363.82
  5. Step 5: Solve for x
    x = 68,969,975,363.82/336,359.96
  6. Step 6: Final answer
    x = 205,048.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.